Finding the Fourth Proportional to 48,133,578.42, 66,425,245.29 and 29,539,417.68
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Solution
The fourth proportional to 48,133,578.42, 66,425,245.29 and 29,539,417.68 is: 40,764,953.06
Step by Step Solution
- Step 1: Write the proportion equation
48,133,578.42 : 66,425,245.29 = 29,539,417.68 : x - Step 2: Convert to fraction form
48,133,578.42/66,425,245.29 = 29,539,417.68/x - Step 3: Cross multiply
48,133,578.42x = 66,425,245.29 × 29,539,417.68 - Step 4: Simplify right side
48,133,578.42x = 1,962,163,065,117,762.75 - Step 5: Solve for x
x = 1,962,163,065,117,762.75/48,133,578.42 - Step 6: Final answer
x = 40,764,953.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.